Hands-On Study Reveals Hygiene Issues at AirportsA survey of airports in five American cities finds that 20 percent of women and 30 percent of men don't wash their hands after using the bathroom. The study cites much better hygiene habits in Toronto, where 96 percent of restroom users wash up. Hear Dr. Judy Daly of the American Society of Microbiology.

A survey of airports in five American cities finds that 20 percent of women and 30 percent of men don't wash their hands after using the bathroom. The study cites much better hygiene habits in Toronto, where 96 percent of restroom users wash up. Hear Dr. Judy Daly of the American Society of Microbiology.